Roller for semiconductor wafer cleaning



FIG. 1 is a front elevation view of a roller for semiconductor wafer cleaning showing my new design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a top plan view thereof; the bottom view being an identical,

FIG. 4 is a right side view thereof; the left side view being an identical; and,

FIG. 5 is a cross section view taken along the line of 5-5 of FIG. 4 thereof. 

CLAIM The ornamental design for a roller for semiconductor wafer cleaning, as shown and described. 